@import url(bootstrap.min.css);
* {
  padding: 0;
  margin: 0;
  text-decoration: none;
  list-style: none;
  box-sizing: border-box;
  font-family: "Microsoft YaHei";
  font-size: 12px;
}
.header {
  width: 100%;
  height: 85px;
  border-bottom: 1px solid #ddd;
}
.header .header_center {
  width: 1000px;
  height: 100%;
  margin: 0 auto;
}
.header .header_center .user_login {
  width: 100%;
  height: 20px;
}
.header .header_center .user_login .user_zone {
  float: right;
}
.header .header_center .user_login .user_zone a {
  color: #666666;
}
.header .header_center .user_login .user_zone li {
  display: block;
  float: left;
  margin-left: 15px;
  font-size: 14px;
}
.header .header_center .nav {
  width: 100%;
  height: 65px;
  position: relative;
}
.header .header_center .nav .logo {
  position: absolute;
  left: 0;
  top: -20px;
  width: 355px;
  height: 100px;
  display: block;
  float: left;
  background: url("../images/icon.png") 0px -363px no-repeat;
  z-index: 999;
}
.header .header_center .nav .navlist {
  float: right;
  height: 100%;
}
.header .header_center .nav .navlist li {
  width: 100px;
  display: block;
  float: left;
  height: 65px;
  line-height: 65px;
  margin-left: 65px;
}
.header .header_center .nav .navlist a {
  padding: 8px 3px;
  font-size: 20px;
  color: #333333;
  border-bottom: 3px solid transparent;
}
.header .header_center .nav .navlist li.hover a {
  border-bottom: 3px solid #35c5f4;
}
.banner {
  width: 100%;
  min-height: 300px;
  position: relative;
}
.banner img {
  max-width: 100%;
}
.banner .banner_center {
  width: 800px;
  height: 500px;
  border: 1px solid red;
  position: absolute;
  left: 50%;
  top: 245px;
  margin-left: -400px;
  color: #ffffff;
}
.banner .banner_center .logo_center {
  width: 420px;
  height: 230px;
  margin: 0 auto;
  background: url("../images/icon.png") -310px -46px no-repeat;
}
